Molecular Profile Detail

Profile Name KIT exon 11
Gene Variant Detail

KIT exon11 (unknown)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT exon 11 gastrointestinal stromal tumor predicted - sensitive Pexidartinib + PLX9486 Phase I Actionable In a Phase I trial, PLX9486 and Pexidartinib (PLX3397) combination therapy demonstrated safety and preliminary efficacy, resulted in a partial response rate of 8.3% (1/12) and progression-free survival not yet reached in patients with advanced solid tumors, 11 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). detail...
KIT exon 11 melanoma sensitive Nilotinib Phase II Actionable In a Phase II trial, Tasigna (nilotinib) treatment resulted in complete response in 5% (1/19) and partial response in 21% (4/19) of melanoma patients harboring KIT exon 11 or exon 13 mutations (PMID: 28843487; NCT01168050). 28843487
KIT exon 11 melanoma sensitive Nilotinib Phase II Actionable In a Phase II trial, Tasigna (nilotinib) resulted in an overall response rate of 26.2% (11/41), which included a partial response of 38.5% (10/26) and a progression free survival of 5.4 months in melanoma patients harboring KIT exon 11 mutations (PMID: 28327988). 28327988
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib + XAV939 Preclinical - Cell culture Actionable In a preclinical study, treatment with the combination of XAV939 and Gleevec (imatinib) resulted in decreased viability of gastrointestinal stromal tumor (GIST) cell lines harboring KIT exon 11 mutations compared to Gleevec (imatinib) alone, in culture (PMID: 28611108). 28611108
KIT exon 11 melanoma predicted - sensitive Imatinib Case Reports/Case Series Actionable In a clinical case study, Gleevec (imatinib) treatment resulted in a partial response in a patient with metastastic anal melanoma harboring a 21 base-pair duplication in KIT exon 11, and reduced pulmonary metastasis by 60% (PMID: 20372153). 20372153
KIT exon 11 gastrointestinal stromal tumor predicted - sensitive Dasatinib Phase II Actionable In a Phase II clinical trial, Sprycel (dasatinib) demonstrated preliminary activity in patients with Gleevec (imatinib)-resistant gastrointestinal stromal tumor (GIST), including patients harboring KIT exon 11 mutations, with a partial response rate of 32% (15/47), median progression-free survival of 2.0 months, and overall survival of 19 months (J Clin Oncol 29: 2011 (suppl; abstr 10006)). detail...
KIT exon 11 gastrointestinal stromal tumor sensitive Regorafenib Phase II Actionable In a Phase II clinical trial, treatment with Stivarga (regorafenib) resulted in a clinical benefit rate of 76% (25/33), a median progression-free survival (PFS) of 13.2 months, and a median overall survival of 25 months in patients with gastrointestinal stromal tumors, with patients with KIT exon 11 mutations demonstrating the longest PFS of 13.4 months (PMID: 27371698). 27371698
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib + PKF118-310 Preclinical - Cell culture Actionable In a preclinical study, treatment with the combination of PKF118-310 and Gleevec (imatinib) resulted in decreased viability of gastrointestinal stromal tumor (GIST) cell lines harboring KIT exon 11 mutations compared to Gleevec (imatinib) alone, in culture (PMID: 28611108). 28611108
KIT exon 11 gastrointestinal stromal tumor predicted - sensitive Ponatinib Phase II Actionable In a Phase II trial, Iclusig (ponatinib) treatment resulted in partial response in 7% (2/27), stable disease in 59% (16/27), a median progression free survival of 4.3 months and a median overall survival of 15.0 months in gastrointestinal stromal tumor patients harboring KIT exon 11 mutations after prior tyrosine kinase inhibitor treatment failure (J Clin Oncol 33, 2015 (suppl; abstr 10535)). detail...
KIT exon 11 gastrointestinal stromal tumor predicted - sensitive DCC-2618 Preclinical - Cell line xenograft Actionable In a preclinical study, DCC-2618 inhibited Kit phosphorylation and tumor growth in a gastrointestinal stromal tumor cell line xenograft model harboring a KIT exon 11 deletion mutation (Cancer Res 2015;75(15 Suppl):Abstract nr 2690). detail...
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib Guideline Actionable Gleevec (imatinib) is included in the guidelines as first-line therapy for patients with gastrointestinal stromal tumor (GIST) with KIT exon 11 mutations (NCCN.org). detail...
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib Guideline Actionable Gleevec (imatinib) is included in the guidelines for patients with advanced/metastatic gastrointestinal stromal tumor (GIST) with KIT exon 11 mutations (PMID: 30188977; ESMO.org). 30188977 detail...
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib Phase III Actionable In a Phase III trial, Gleevec (imatinib) treatment resulted in longer overall survival (OS) (66 vs 40 months) in gastrointestinal stromal tumor (GIST) patients harboring KIT exon 11 mutations compared to KIT and PDGFRA wild-type patients, while subtypes of KIT exon 11 mutations (deletion, insertation/duplication, point mutation) did not affect OS outcome (PMID: 28196207; NCT00009906). 28196207
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib Phase III Actionable In a Phase III trial, a long-term analysis of gastrointestinal stromal tumor (GIST) patients treated with Gleevec (imatinib) demonstrated patients harboring KIT exon 11 mutations had a median progression-free survival of 39.4 months, and median overall survival was not reached, with 69.1% of patients with KIT exon 11 mutations alive at 5 years (PMID: 26687836; NCT00367861). 26687836
KIT exon 11 gastrointestinal stromal tumor predicted - sensitive PLX9486 Phase I Actionable In a Phase I trial, PLX9486 demonstrated safety and preliminary efficacy, resulted in a progression-free survival of more than 24 weeks and partial response in 8.3% (2/24) of patients with advanced solid tumors, 20 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). detail...
KIT exon 11 gastrointestinal stromal tumor sensitive Imatinib + MK2206 Preclinical - Cell line xenograft Actionable In a preclinical study, the combination of Gleevec (imatinib) and MK2206 increased growth inhibition and decreased viability of gastrointestinal stromal tumor (GIST) cell lines harboring KIT exon 11 mutations in culture, and improved survival and inhibited tumor growth in a KIT exon 11-mutant GIST cell line xenograft model, with increased efficacy compared to either agent alone (PMID: 27370604). 27370604
KIT exon 11 gastrointestinal stromal tumor sensitive Nilotinib Phase III Actionable In a Phase III trial, a 24 month progression free survival was observed in 69.6% of advanced GIST patients harboring KIT exon 11 mutations when treated with Tasigna (nilotinib) (J Clin Oncol May 2013 vol. 31 no. 15_suppl 10501). detail...
KIT exon 11 gastrointestinal stromal tumor decreased response Sunitinib Clinical Study - Cohort Actionable In a retrospective analysis, GIST patients with KIT exon 11 mutations showed decreased benefit compared to patients with exon 9 mutations, with median PFS of 7.0 months with exon 11 mutations vs. 12.3 months with exon 9 mutations, and an ORR of 6% (9/143) vs. 19% (8/42) following treatment with Sutent (sunitinib) (PMID: 26772734). 26772734